diff --git a/resources/sql/autopatches/20170301.subtype.03.taskcol.sql b/resources/sql/autopatches/20170301.subtype.03.taskcol.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20170301.subtype.03.taskcol.sql
@@ -0,0 +1,2 @@
+ALTER TABLE {$NAMESPACE}_maniphest.maniphest_task
+  ADD subtype VARCHAR(64) COLLATE {$COLLATE_TEXT} NOT NULL;
diff --git a/resources/sql/autopatches/20170301.subtype.04.taskdefault.sql b/resources/sql/autopatches/20170301.subtype.04.taskdefault.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20170301.subtype.04.taskdefault.sql
@@ -0,0 +1,2 @@
+UPDATE {$NAMESPACE}_maniphest.maniphest_task
+  SET subtype = 'default' WHERE subtype = '';
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2626,6 +2626,7 @@
     'PhabricatorEditEngineSettingsPanel' => 'applications/settings/panel/PhabricatorEditEngineSettingsPanel.php',
     'PhabricatorEditEngineStaticCommentAction' => 'applications/transactions/commentaction/PhabricatorEditEngineStaticCommentAction.php',
     'PhabricatorEditEngineSubtype' => 'applications/transactions/editengine/PhabricatorEditEngineSubtype.php',
+    'PhabricatorEditEngineSubtypeInterface' => 'applications/transactions/editengine/PhabricatorEditEngineSubtypeInterface.php',
     'PhabricatorEditEngineSubtypeTestCase' => 'applications/transactions/editengine/__tests__/PhabricatorEditEngineSubtypeTestCase.php',
     'PhabricatorEditEngineTokenizerCommentAction' => 'applications/transactions/commentaction/PhabricatorEditEngineTokenizerCommentAction.php',
     'PhabricatorEditField' => 'applications/transactions/editfield/PhabricatorEditField.php',
@@ -6367,6 +6368,7 @@
       'PhabricatorConduitResultInterface',
       'PhabricatorFulltextInterface',
       'DoorkeeperBridgedObjectInterface',
+      'PhabricatorEditEngineSubtypeInterface',
     ),
     'ManiphestTaskAssignHeraldAction' => 'HeraldAction',
     'ManiphestTaskAssignOtherHeraldAction' => 'ManiphestTaskAssignHeraldAction',
diff --git a/src/applications/maniphest/query/ManiphestTaskQuery.php b/src/applications/maniphest/query/ManiphestTaskQuery.php
--- a/src/applications/maniphest/query/ManiphestTaskQuery.php
+++ b/src/applications/maniphest/query/ManiphestTaskQuery.php
@@ -24,6 +24,7 @@
   private $hasOpenSubtasks;
   private $parentTaskIDs;
   private $subtaskIDs;
+  private $subtypes;
 
   private $fullTextSearch   = '';
 
@@ -208,6 +209,11 @@
     return $this;
   }
 
+  public function withSubtypes(array $subtypes) {
+    $this->subtypes = $subtypes;
+    return $this;
+  }
+
   public function newResultObject() {
     return new ManiphestTask();
   }
@@ -423,6 +429,13 @@
         $this->bridgedObjectPHIDs);
     }
 
+    if ($this->subtypes !== null) {
+      $where[] = qsprintf(
+        $conn,
+        'task.subtype IN (%Ls)',
+        $this->subtypes);
+    }
+
     return $where;
   }
 
diff --git a/src/applications/maniphest/storage/ManiphestTask.php b/src/applications/maniphest/storage/ManiphestTask.php
--- a/src/applications/maniphest/storage/ManiphestTask.php
+++ b/src/applications/maniphest/storage/ManiphestTask.php
@@ -16,7 +16,8 @@
     PhabricatorSpacesInterface,
     PhabricatorConduitResultInterface,
     PhabricatorFulltextInterface,
-    DoorkeeperBridgedObjectInterface {
+    DoorkeeperBridgedObjectInterface,
+    PhabricatorEditEngineSubtypeInterface {
 
   const MARKUP_FIELD_DESCRIPTION = 'markup:desc';
 
@@ -40,6 +41,7 @@
   protected $bridgedObjectPHID;
   protected $properties = array();
   protected $points;
+  protected $subtype;
 
   private $subscriberPHIDs = self::ATTACHABLE;
   private $groupByProjectPHID = self::ATTACHABLE;
@@ -63,6 +65,7 @@
       ->setViewPolicy($view_policy)
       ->setEditPolicy($edit_policy)
       ->setSpacePHID($actor->getDefaultSpacePHID())
+      ->setSubtype(PhabricatorEditEngineSubtype::SUBTYPE_DEFAULT)
       ->attachProjectPHIDs(array())
       ->attachSubscriberPHIDs(array());
   }
@@ -86,6 +89,7 @@
         'subpriority' => 'double',
         'points' => 'double?',
         'bridgedObjectPHID' => 'phid?',
+        'subtype' => 'text64',
       ),
       self::CONFIG_KEY_SCHEMA => array(
         'key_phid' => null,
@@ -124,6 +128,9 @@
           'columns' => array('bridgedObjectPHID'),
           'unique' => true,
         ),
+        'key_subtype' => array(
+          'columns' => array('subtype'),
+        ),
       ),
     ) + parent::getConfiguration();
   }
@@ -474,6 +481,10 @@
         ->setKey('points')
         ->setType('points')
         ->setDescription(pht('Point value of the task.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('subtype')
+        ->setType('string')
+        ->setDescription(pht('Subtype of the task.')),
     );
   }
 
@@ -501,6 +512,7 @@
       'status' => $status_info,
       'priority' => $priority_info,
       'points' => $this->getPoints(),
+      'subtype' => $this->getSubtype(),
     );
   }
 
@@ -533,4 +545,16 @@
     return $this;
   }
 
+
+/* -(  PhabricatorEditEngineSubtypeInterface  )------------------------------ */
+
+
+  public function getEditEngineSubtype() {
+    return $this->getSubtype();
+  }
+
+  public function setEditEngineSubtype($value) {
+    return $this->setSubtype($value);
+  }
+
 }
diff --git a/src/applications/transactions/editengine/PhabricatorEditEngineSubtypeInterface.php b/src/applications/transactions/editengine/PhabricatorEditEngineSubtypeInterface.php
new file mode 100644
--- /dev/null
+++ b/src/applications/transactions/editengine/PhabricatorEditEngineSubtypeInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+interface PhabricatorEditEngineSubtypeInterface {
+
+  public function getEditEngineSubtype();
+  public function setEditEngineSubtype($subtype);
+
+}